Table 4.

Multivariate analysis of potential predictors of excessive daytime sleepiness

	Range of sleepiness (reference: normal)
	OR (95% CI)	P-value
Age 18–25 years	2.55 (0.86–7.54)	0.09

Notes: Variables included in the model were: age (reference: 26–35 years), sex (reference: female); BMI (reference: normal); depressive symptoms (reference: none); anxiety (reference: none); tobacco (reference: none); caffeine (reference: none); alcohol (reference: none).

Abbreviations: BMI, body mass index; OR, odds ratio; CI, confidence interval.